BlackBerry Z10 STL-2

My phone it started to running very slowly.. in all apps.. I don't know what it the problem . This problem I find in Android app. :'( and another question.. on Google play cobalt.. the Obb file it not dowland :'(

Android apps tend to use more system resources than native apps because they work through the runtime so that could cause performance issues and heat. Try and delete any unnecessary Android apps you may have on your phone and see if that helps?